I have a postgres table of students with lat, lon and geom, , and a table of schools with the same, and a table of roads that has been converted to nodes. I'm trying to find the driving distance to ...
I have 173 point shape files from soil testing and 173 non spatial csv files with lab ressults (one csv for each shape file) that need joining. The files are located in a library with folders named ...
I am sorry if the question is elementary but I did not find any clear discussion or guide to understand how to run a query in postgresql. So that a pointer to another website would be also useful. ...
I have a point dataset representing households that I want to associate with a parcel layer (i.e. assign its parcel_id). With ArcMap, I could spatially join the polygons to the points and specify that ...